CloudForms database replication is broken

Issue

• The backlog is increasing when CloudForms database is replicated to the master region.

ERROR -- : MIQ(MiqReplicationWorker::Runner) rubyrep Process with pid=26737 SystemCallError 'No such process - 26737' while checking
[----] I, [2016-11-19T15:55:58.066436 #12089:be9998]  INFO -- : MIQ(MiqReplicationWorker::Runner) rubyrep Process with pid=17551 is not alive pid_state=zombie
[----] I, [2016-11-19T15:55:58.066488 #12089:be9998]  INFO -- : MIQ(MiqReplicationWorker::Runner#check_replicate) MIQ(MiqReplicationWorker::Runner) Replicate Process gone. Restarting...
[----] E, [2016-11-19T15:55:58.092294 #12089:be9998] ERROR -- : MIQ(MiqReplicationWorker::Runner) rubyrep Process with pid=17551 SystemCallError 'No such process - 17551' while checking process state
[----] E, [2016-11-19T15:55:45.999267 #12089:be9998] ERROR -- : rubyrep: unknown OID 0: failed to recognize type of 'id'. It will be treated as String.
[----] E, [2016-11-19T15:55:45.999298 #12089:be9998] ERROR -- : rubyrep: Exception caught: PG::UniqueViolation: ERROR:  duplicate key value violates unique constraint "index_miq_event_definitions_on_guid"
[----] E, [2016-11-19T15:55:45.999366 #12089:be9998] ERROR -- : rubyrep: DETAIL:  Key (guid)=(ffcfb368-455d-11de-86a0-005056a81f62) already exists.